substitution request - Alliance Construction Solutions

J. Prime-Coat Finish: Manufacturer's standard prime-coat finish ready for field painting.
K. Galvanized Finish: After fabrication, hot-dip galvanize complying with ASTM A 123/A 123M.
L. Factory-Painted Finish: Comply with NAAMM's "Metal Finishes Manual for Architectural and
Metal Products" for recommendations for applying and designating finishes.
1. Surface Preparation: Clean surfaces to comply with SSPC-SP 1, "Solvent Cleaning," to
remove dirt, oil, grease, and other contaminants that could impair paint bond. Grind
welds and polish surfaces to a smooth, even finish. Remove mill scale and rust, if present,
from uncoated steel, complying with SSPC-SP 5/NACE No. 1, "White Metal Blast
Cleaning," or with SSPC-SP 8, "Pickling."
2. Interior Surfaces of Pole: One coat of bituminous paint, or otherwise treat for equal
corrosion protection.
3. Exterior Surfaces: Manufacturer's standard finish consisting of one or more coats of primer
and two finish coats of high-gloss, high-build polyurethane enamel.
2.9 ALUMINUM POLES
a. Color: As selected by Architect or Interior Designer from manufacturer's full range.
A. Poles: Seamless, extruded structural tube complying with ASTM B 429/B 429M, Alloy 6063-T6
with access handhole in pole wall.
B. Poles: ASTM B 209, 5052-H34 marine sheet alloy with access handhole in pole wall.
1. Shape: as noted on drawings.
2. Mounting Provisions: Butt flange for bolted mounting on foundation or breakaway
support.
C. Pole-Top Tenons: Fabricated to support luminaire or luminaires and brackets indicated, and
securely fastened to pole top.
D. Grounding and Bonding Lugs: Welded 1/2-inch threaded lug, complying with requirements in
Section 26 0526 "Grounding and Bonding for Electrical Systems," listed for attaching grounding
and bonding conductors of type and size listed in that Section, and accessible through handhole.
E. Brackets for Luminaires: Detachable, with pole and adapter fittings of cast aluminum. Adapter
fitting welded to pole and bracket, then bolted together with stainless-steel bolts.
1. Tapered oval cross section, with straight tubular end section to accommodate luminaire.
2. Finish: Same as pole.
F. Prime-Coat Finish: Manufacturer's standard prime-coat finish ready for field painting.
G. Aluminum Finish: Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal
Products" for recommendations for applying and designating finishes.
1. Finish designations prefixed by AA comply with the system established by the Aluminum
Association for designating aluminum finishes.
2. Natural Satin Finish: Provide fine, directional, medium satin polish (AA-M32); buff
complying with AA-M20; and seal aluminum surfaces with clear, hard-coat wax.
Project No.: 10145
550 15th Street Dual Brand Hotel
03/19/2012
265600 - 9 EXTERIOR LIGHTING